Encyclopedia Entry: 74LVT125BQ,115

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-power, quad buffer/line driver
• Package: BGA (Ball Grid Array)
• Essence: Translates signals between different voltage levels
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Logic Family: LVT (Low Voltage TTL)
• Number of Channels: 4
• Input Voltage Range: 1.2V to 3.6V
• Output Voltage Range: 1.2V to 3.6V
• Propagation Delay: 3.5 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74LVT125BQ,115 IC has a total of 14 pins, which are assigned as follows:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | OE | Output Enable | | 2 | Y1 | Output 1 | | 3 | GND | Ground | | 4 | A1 | Input 1 | | 5 | A2 | Input 2 | | 6 | VCC | Power Supply | | 7 | Y2 | Output 2 | | 8 | Y3 | Output 3 | | 9 | A3 | Input 3 | | 10 | A4 | Input 4 | | 11 | GND | Ground | | 12 | OE | Output Enable | | 13 | Y4 | Output 4 | | 14 | VCC | Power Supply |

Functional Features

• Translates logic signals between different voltage levels, allowing compatibility between devices operating at different voltages.
• High-speed operation with low power consumption.
• Quad buffer/line driver configuration enables driving multiple loads simultaneously.
• Output enable (OE) pin allows for easy control of the output state.

Advantages and Disadvantages

Advantages: - Efficient voltage level translation for mixed-voltage systems. - High-speed operation suitable for time-critical applications. - Low power consumption helps in reducing overall system energy requirements. - Compact BGA package offers space-saving benefits.

Disadvantages: - Limited to a maximum of four channels. - Requires careful consideration of input and output voltage ranges to ensure proper functionality.

Working Principles

The 74LVT125BQ,115 is based on the Low Voltage TTL (LVT) logic family. It utilizes a combination of MOSFETs and CMOS technology to achieve efficient voltage level translation. The inputs are designed to accept signals from a lower voltage domain, while the outputs provide translated signals compatible with a higher voltage domain. The IC operates by switching the internal transistors to allow or block the flow of current, thereby translating the logic levels.

Detailed Application Field Plans

The 74LVT125BQ,115 finds application in various scenarios where voltage level translation is required. Some common application fields include: 1. Mixed-voltage systems integration. 2. Interfacing between microcontrollers operating at different voltage levels. 3. Communication interfaces between different electronic devices. 4. Signal conditioning in industrial automation systems. 5. Level shifting in battery-powered portable devices.

Detailed and Complete Alternative Models

1. 74LVC125A: Similar quad buffer/line driver IC with slightly different voltage specifications.
2. SN74LVC125A: Texas Instruments' equivalent IC with comparable functionality.
3. MC74VHC125: Quad buffer/line driver from ON Semiconductor, offering similar features.

Note: The above alternative models are provided as examples and may have slight variations in specifications and pin configuration.

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